test/functional/test_text.py

   1 #!/usr/bin/env python
   2 import sys; sys.path[:0] = ["../.."]
   3
   4 from pyx import *
   5
   6 text.set(mode="latex")
   7 c = canvas.canvas()
   8 text.preamble(r"""%
   9     \usepackage{graphicx}
  10     \usepackage{color}
  11     \usepackage{rotating}
  12     \usepackage{helvet}
  13     \graphicspath{{eps/}}
  14 %
  15     \definecolor{col0}{gray}{0.1}
  16     \definecolor{col1}{cmyk}{0.3, 0.2, 0.1, 0.1}
  17     \definecolor{col2}{rgb}{0.4, 0.3, 0.1}
  18     \definecolor{col3}{RGB}{200, 200, 200}
  19     \definecolor{col4}{hsb}{0.1, 0.1, 0.1}
  20     \definecolor{col5}{named}{Red}
  21     \definecolor{col6}{pyx}{pyx.color.cmyk.PineGreen}
  22     \definecolor{col7}{pyx}{color.cmyk(0.92, 0, 0.59, 0.25)}
  23     \definecolor{col0}{gray}{0.5}""")
  24
  25 c.stroke(path.line(-1, 0, 6, 0))
  26
  27 c.stroke(path.line(6, 5, 6.99, 5), [style.linewidth.THIN])
  28 c.stroke(path.line(6, 6, 6.99, 6), [style.linewidth.THIN])
  29 c.stroke(path.line(8.01, 5, 9, 5), [style.linewidth.THIN])
  30 c.stroke(path.line(8.01, 6, 9, 6), [style.linewidth.THIN])
  31 c.stroke(path.line(7, 4, 7, 4.99), [style.linewidth.THIN])
  32 c.stroke(path.line(8, 4, 8, 4.99), [style.linewidth.THIN])
  33 c.stroke(path.line(7, 6.01, 7, 7), [style.linewidth.THIN])
  34 c.stroke(path.line(8, 6.01, 8, 7), [style.linewidth.THIN])
  35 c.text(7, 5, "\\vrule width1truecm height1truecm")
  36
  37 c.text(6.2, 0, "0", [text.vshift.middlezero])
  38 c.text(-1.2, 0, "abc", [text.vshift.mathaxis, text.halign.right])
  39
  40 t1 = text.text(0, 0, "a \PyXMarker{beforeb}b\PyXMarker{afterb} c d e f g h i j k l m n o p q r s t u v w x y z", [text.parbox(2, baseline=text.parbox.bottom)])
  41 c.insert(t1)
  42 c.stroke(t1.path())
  43
  44 t2 = c.insert(text.text(3, 0, "a \PyXMarker{beforeb}b\PyXMarker{afterb} c d e f g h i j k l m n o p q r s t u v w x y z", [text.parbox(2, baseline=text.parbox.top)]))
  45 c.stroke(t2.path())
  46 c.stroke(path.line(*(t1.marker("beforeb") + t2.marker("beforeb"))), [color.rgb.red])
  47 c.stroke(path.line(*(t1.marker("afterb") + t2.marker("afterb"))), [color.rgb.green])
  48
  49 c.text(0, 3, r"\int\limits_{-\infty}^\infty \!{\rm d}x\, e^{-a x^2} = \sqrt{\pi\over a}", [text.mathmode])
  50 c.text(0, 6, r"\int\limits_{-\infty}^\infty \!{\rm d}x\, e^{-a x^2} = \sqrt{\pi\over a}", [text.size.LARGE, text.mathmode])
  51
  52 c.stroke(c.text(1, 2, r"Hello, world!").path())
  53
  54 # test a virtual font with encoding
  55 c.text(0, 8, r"\sffamily VF test: \"o\ss ffl \char0\char0")
  56 c.text(0, 9, r"\sffamily \fontsize{30}{35}\selectfont VF test: \"o\ss ffl \char0\char0")
  57
  58 # scaling test
  59 unit.set(xscale=2)
  60 t = c.text(0, 11, r"scale test", [color.rgb.green])
  61 unit.set(xscale=1)
  62 t = c.text(0, 11, r"scale test", [color.rgb.red])
  63
  64 # test font stripping (proper usedchar selection)
  65 from pyx.dvi import mapfile
  66 fontmap = mapfile.readfontmap(["download35.map"])
  67 c.text(0, 12, r"usechar test (``fl'' should be typed):")
  68 myrunner = text.texrunner()
  69 myrunner.preamble(r"\font\pyxfont=phvr8t\pyxfont")
  70 c.insert(myrunner.text(5.5, 12, r"\char'035", fontmap=fontmap))
  71
  72 myrunner2 = text.texrunner()
  73 myrunner2.preamble(r"\font\pyxfont=ptmr8t\pyxfont")
  74 c.insert(myrunner2.text(6.5, 12, r"\char'035", fontmap=fontmap))
  75
  76 # test for ligatures/kerning in virtual fonts
  77 c.text(0, 13, r"usechar test (``affa'' should be typed):")
  78 myrunner = text.texrunner()
  79 myrunner.preamble(r"\font\pyxfont=ptmr7t\pyxfont")
  80 c.insert(myrunner.text(6.0, 13, r"affa", fontmap=fontmap))
  81
  82 # test the specials
  83 c.stroke(c.text(10, 2, r"Hello, \color{green}world!", [trafo.slant(1)]).path())
  84 c.insert(c.text(10, 0, r"\begin{rotate}{90}\parbox{5cm}{rotated\\ in \LaTeX}\end{rotate}"))
  85
  86 d = canvas.canvas()
  87 d.stroke(path.rect(0,0, 1,1))
  88 d.stroke(path.line(0,0, 1,1))
  89 d.stroke(path.line(1,0, 0,1))
  90 d.writeEPSfile("eps/sample")
  91 c.insert(c.text(10, 0, r"""
  92     \textcolor{col0}{col0}
  93     \textcolor{col1}{col1}
  94     \textcolor{col2}{col2}
  95     \textcolor{col3}{col3}
  96     \textcolor{col4}{col4}
  97     \textcolor{col5}{col5}
  98     \textcolor{col6}{col6}
  99     \textcolor{col7}{col7}%
 100     """, [text.parbox(3.5)]))
 101 c.insert(c.text(15, 0, r"""
 102     \colorbox{col1}{ColorBox}\\
 103     \fcolorbox{col5}{col6}{FColorBox}"""))
 104
 105 c.text(4, 2, r"{\color[cmyk]{0.1,0.2,0.3,0.4}c\color[gray]{0.5}o\color[hsb]{0.2,0.3,0.4}l\color[rgb]{0.2,0.4,0.6}o\color[RGB]{100,200,50}r}s!")
 106
 107 # curved text
 108 sc = canvas.canvas(attrs=[trafo.mirror()])
 109 p = path.path(path.moveto(-2, 0), path.curveto(-1, 0, -1, 1, 0, 1), path.curveto(1, 1, 1, 0, 2, 0))
 110 sc.stroke(p, [deco.curvedtext("\PyX{} is fun!", textattrs=[trafo.mirror(), trafo.scale(0.5)]),
 111               deco.curvedtext("left", textattrs=[text.halign.left, text.vshift.mathaxis, trafo.mirror(), color.rgb.red], arclenfrombegin=0.5, exclude=0.1),
 112               deco.curvedtext("r{\color[rgb]{1,0,0}igh}t", textattrs=[text.halign.right, text.vshift.mathaxis, trafo.mirror(), trafo.scale(1.2)], arclenfromend=0.5, exclude=0.1)])
 113 c.insert(sc, [trafo.translate(12, 12)])
 114
 115 c.writePDFfile("test_text", page_paperformat=document.paperformat.A4)
 116 c.writeSVGfile("test_text", page_paperformat=document.paperformat.A4)
 117
 118 c.insert(c.text(10, 4, r"""%
 119     \fbox{\includegraphics[%
 120     %type=eps,             %% type of the file ... should not change anything --
 121                            %   BUG!!!!!!  size and filename information gets
 122                            %   wrong when this is used  ===> not supported!
 123     %command=...,          %% not supported!
 124     bb = 0 0 25 25,        %% bounding box in original size
 125     hiresbb=,              %! read high resolution in original file (if not bb)
 126     %viewport= 0 0 15 15,   %% bounding box with respect to bb
 127     %trim=1 1 1 1,          %% correction of the bounding box with respect to bb
 128     width=1in,             %! final width
 129     height=2in,            %! final height
 130     %totalheight=3in,       %% final height+depth
 131     %keepaspectratio=,      %! keep aspect ratio, but do not exceed width nor height
 132     angle=30,              %! wraps around include
 133     origin=tr,             %% one or two chars of 'lrtcbB' (B for baseline)
 134     %scale=2,               %! wraps around rotating and include
 135     %draft=,               %% do not print anything,
 136     clip=]%                %! directly in dvi
 137     {sample}}"""))
 138 c.writeEPSfile("test_text", page_paperformat=document.paperformat.A4)